Hi, I am trying to call a C++ object which is in a dll from a Pascal interface unit as described in Rudy's Delphi corner: (http://rvelthuis.de/articles/articles-cppobjs.html). I use the inheritance method, making my C++ object a descendent from a Virtual ancestor.
I end up with run time errors in both fpc and the cross 64 bit compiler (my desired target is Win64): error 210, (=R6025 - pure virtual function call) However, the code works using Delphi. All my functions in my Pascal interface are 'virtual; stdcall; abstract; so the error makes sense, except that it works in Delphi. I am wondering what are differences between Delphi and FPC that will not let me call C++ objects from DLL's? Or is there a command line switch I have missed that may help? I use: ppcrossx64 program_name.pas -vi -Sg -Si -Mfpc -OpATHLON64 -XD -Xs -B -Rintel -Mdelphi -TWin64 -Cr Thanks for any help with this. Josh.
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